Oscillating fan.



T. KARGAU. OSOILLATING FAN.

APPLICATION FILED SEPT. 26, 1910.

Patented July 9, 1912.

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TEEODORE KARGAU, OF ST. LOUIS,.MISSOURI,

ASSIGNOR T WESTINGHOUSE ELECTRIC AND MANUFACTURING COMPQNY, A CORPORATION OF PENNSYLVANIA.

osoILLArING FAN.

Specification of Letters Patent" Patented .miye, 1912.

Application filed September 26, 1910. Serial No. 583,901.

b all whom it may concern:

Be it known that I, THEODORE KARcAU, a citizen of the United States, and a residentof St. Louis, in the State of Missouri, have invented a new and useful Improvement in Oscillating Fans, of which the following is a specification.

hily invention relates to electrically driven oscillating fans, and it has for its. object to provide extremely simple and effective means for causing oscillation of a fan that.

is directly driven by an electric motor, which means perniiits of pivotally mounting the motor so that its axis may be adjusted to occupy a variety of positions with respect to a horizontal plane. 7

Figure 1 of the accompanying drawings is a side view of a fan motor embodying the present invention, some-of the parts being shown in. section for the sake of clearness oi 'illustration, and Fig. 2 is a plan View of the motor of Fig. 1.

Rotatably mounted in the upper end of a base 1 is a forked member 2,"one end of which is secured in the base by means of a set screw 3, a ball bearing 4: being interposed between the base and the forked member to provide for greater freedom of movement of the latter. Pivotally secured to and supported between the prongs or arms of the member 2 is a motor 5 that is primarily adapted to drive axis of the pivotal connection preferably passing through the center of gravity ,of the motor and the parts carried thereby.

One end of the motor shaft 6 is connected,

through suitable reduction gearing 7 that is mounted within and inclosed-by a casing 8,

to adisk 0 that is provided with a plurality of screw threaded apertures .10 located at different distances from its center. The apertures 10 are provided for the reception of a crank pin 12 having a knurled head which permits of its being readily inserted into and removed from the said apertures. The crank pin is'surrounded by a block 13 to whith one end of a. connecting rod 1 1 is pivotally connected, its other end being con ncctcd by means of a ball and'socket or another suitable universal joint 15' to one end of an arm 16. The arm 16 is mounted upon the upper end. of a Vertical shaft or rod 17 for which a bearing 18 is provided upon the side of one of the rongs or arms of the member 2. To the ower end of the shaft a fan (not shown), the

17 is secured adownwardly and inwardly extending arm 19 having a sector shaped end 20 that is disposed adjacent tothe upper rounded end of the base 1. A suitable operative connection is provided between the sector 20 and the base 1, such as two crossed chains that are respectively secured at their ends to opposite ends of the sector some to the base 1, substantially as shown in Fig. 2. Of course, any other operative connection may be employed which will cause rotaion of the member 2 and the parts carried thereby with respect to the base 1 when the sector 20 is revolved about the axis of the shaft or rod 17.

Rotation of the motor shaft not only causes rotation of the fan-but also rotation of the crank pin 12, which, through the connecting rod 14, reciprocates the arm 16 and the sector 20 about the axis of the shaft 17 As the sector 20 is operatively connected to the base 1, its rotation causes a reaction,--

through the arm 19 and the shaft 17 upon the member 2 and the parts carried thereby so as to cause rotation and'oscillation thereof with respect to the base 1. By reason of the universal joint connection between the parts 14: and 1(3, and of what amounts to a similar connection between the parts 12 and 1 1, the motor 1 may be adjusted in its supports so that its axis may be horizontal, or may occupy many different angular positions with respect to the horizontal position, While the oscillation of the member 2 and the parts carried thereby will take place as described.

I claim as my.invention:

1. The combination with'a base, a forked member rotatably. mounted upon the base,

and a motor pivotally supported by the said arms of the forked member and having'a sector at one end of one of its armsdisposed ad acent to the base, crossed flexible members secured at their respective extremities to the base and to'opposite ends of the said and a motor pivotally supported by the said member, ,of a lever fulcrumed to one of'the arms of the forked member and having a sector shaped end adjacent and operatively connected to the base, a crank driven by the motor, a connecting rod, and universal connections between the connecting frod and both the crank pin and the lever. p

4.- The combination with a. basei and a motor rotatably and tiltingly mounted thereon, of a lever having a sector shaped end operatively connected to the base, and an operative universal-joint connection between the other end of thelever and the motor.

5. The combination With a base, a forked member rotatably mounted upon the base, anda motor pivotally supported between the arms of said member, of a rock shaft journaled in one of the arms of the forked member, arms mounted upon the rock shaftone ofwhich' carries a sector that is operatively connected to the base, a crank operated by the -motor ,.and a connecting rod having unlversal connections W1th the crank and the other arm that is mounted on the rock shaft. I In testimony whereof, I have hereunto subscribed my name this 13th day of September, 1910.

THEODORE KARGAU;

Witnessesr v F. C. NICHOLSON, B. B. HINEs'.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, :0. c. 

